Method for the casting of hollow slabs out of concrete

Details Method for the casting of hollow slabs out of concrete Method for the casting of hollow slabs out of concrete

1984-05-04

1986-08-26

Silbaugh, Jan

Plastic and nonmetallic article shaping or treating: processes

Treatment of material by vibrating, jarring, or agitating...

Continuously formed or indefinite length article

264 33, 264 72, 2642092, 2642093, 264177R, 264312, 264333, 425 63, 425426, 425427, B28B 108, B28B 2108

Patent

active

046082166

ABSTRACT:
Method for the casting of hollow slabs out of concrete by slide-casting. Concrete mix is extruded onto a base (18) preferably by means of a conical screw spiral (2). Thereinafter the mix is compacted by moving a cavity mandrel (3) fitted after the screw sprial. The end of the cavity mandrel (3) is moved along a path of movement of desired shape. The final end of the mandrel may be attached to the machine by means of a ball joint.

REFERENCES:
patent: 2892218 (1959-06-01), McGhee et al.
patent: 3159897 (1964-12-01), Ellis et al.
patent: 3877860 (1975-04-01), Putti
patent: 4022556 (1977-05-01), Goetjen
patent: 4046848 (1977-09-01), Putti

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